1123049149157 has 16 divisors (see below), whose sum is σ = 1213523055360. Its totient is φ = 1033159707072.

The previous prime is 1123049149153. The next prime is 1123049149193. The reversal of 1123049149157 is 7519419403211.

It is a cyclic number.

It is not a de Polignac number, because 1123049149157 - 2² = 1123049149153 is a prime.

It is a super-2 number, since 2×1123049149157² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123049149153) 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, 58534388 + ... + 58553570.

It is an arithmetic number, because the mean of its divisors is an integer number (75845190960).

Almost surely, 2^{1123049149157} is an apocalyptic number.

It is an amenable number.

1123049149157 is a deficient number, since it is larger than the sum of its proper divisors (90473906203).

1123049149157 is a wasteful number, since it uses less digits than its factorization.

1123049149157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34172.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 1123049149157 in words is "one trillion, one hundred twenty-three billion, forty-nine million, one hundred forty-nine thousand, one hundred fifty-seven".