1130257445721 has 16 divisors (see below), whose sum is σ = 1566387407424. Its totient is φ = 724306947264.

The previous prime is 1130257445657. The next prime is 1130257445747. The reversal of 1130257445721 is 1275447520311.

It is not a de Polignac number, because 1130257445721 - 2⁶ = 1130257445657 is a prime.

It is a super-2 number, since 2×1130257445721² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130257445761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61331146 + ... + 61349571.

It is an arithmetic number, because the mean of its divisors is an integer number (97899212964).

Almost surely, 2^{1130257445721} is an apocalyptic number.

It is an amenable number.

1130257445721 is a deficient number, since it is larger than the sum of its proper divisors (436129961703).

1130257445721 is a wasteful number, since it uses less digits than its factorization.

1130257445721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122680840.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 1130257445721 in words is "one trillion, one hundred thirty billion, two hundred fifty-seven million, four hundred forty-five thousand, seven hundred twenty-one".