1145057521901 has 16 divisors (see below), whose sum is σ = 1168099833600. Its totient is φ = 1122217810560.

The previous prime is 1145057521873. The next prime is 1145057521913. The reversal of 1145057521901 is 1091257505411.

It is a cyclic number.

It is not a de Polignac number, because 1145057521901 - 2³⁰ = 1143983780077 is a prime.

It is a super-2 number, since 2×1145057521901² (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 (1145057521981) 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, 15462575 + ... + 15536451.

It is an arithmetic number, because the mean of its divisors is an integer number (73006239600).

Almost surely, 2^{1145057521901} is an apocalyptic number.

It is an amenable number.

1145057521901 is a deficient number, since it is larger than the sum of its proper divisors (23042311699).

1145057521901 is a wasteful number, since it uses less digits than its factorization.

1145057521901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75244.

The product of its (nonzero) digits is 63000, while the sum is 41.

The spelling of 1145057521901 in words is "one trillion, one hundred forty-five billion, fifty-seven million, five hundred twenty-one thousand, nine hundred one".