1049156147091 has 48 divisors (see below), whose sum is σ = 1556343029760. Its totient is φ = 627924286080.

The previous prime is 1049156147051. The next prime is 1049156147107. The reversal of 1049156147091 is 1907416519401.

1049156147091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1049156147091 - 2¹⁷ = 1049156016019 is a prime.

It is a super-2 number, since 2×1049156147091² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049156147091.

It is not an unprimeable number, because it can be changed into a prime (1049156147021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51220590 + ... + 51241068.

It is an arithmetic number, because the mean of its divisors is an integer number (32423813120).

Almost surely, 2^{1049156147091} is an apocalyptic number.

1049156147091 is a deficient number, since it is larger than the sum of its proper divisors (507186882669).

1049156147091 is a wasteful number, since it uses less digits than its factorization.

1049156147091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23276 (or 23263 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 1049156147091 in words is "one trillion, forty-nine billion, one hundred fifty-six million, one hundred forty-seven thousand, ninety-one".