1195757559049 has 27 divisors (see below), whose sum is σ = 1282614682797. Its totient is φ = 1114616059128.

The previous prime is 1195757559019. The next prime is 1195757559131. The reversal of 1195757559049 is 9409557575911.

The square root of 1195757559049 is 1093507.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1195757559049 - 2⁷ = 1195757558921 is a prime.

It is a super-2 number, since 2×1195757559049² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195757559019) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1392033982 + ... + 1392034840.

It is an arithmetic number, because the mean of its divisors is an integer number (47504247511).

Almost surely, 2^{1195757559049} is an apocalyptic number.

1195757559049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1195757559049 is the 1093507-th square number.

1195757559049 is the 546754-th centered octagonal number.

It is an amenable number.

1195757559049 is a deficient number, since it is larger than the sum of its proper divisors (86857123748).

1195757559049 is an frugal number, since it uses more digits than its factorization.

1195757559049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 89302500, while the sum is 67.

The spelling of 1195757559049 in words is "one trillion, one hundred ninety-five billion, seven hundred fifty-seven million, five hundred fifty-nine thousand, forty-nine".