1045512155401 has 4 divisors (see below), whose sum is σ = 1194871034752. Its totient is φ = 896153276052.

The previous prime is 1045512155371. The next prime is 1045512155407.

1045512155401 is nontrivially palindromic in base 10.

1045512155401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1045512155401 - 2⁹ = 1045512154889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045512155407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74679439665 + ... + 74679439678.

It is an arithmetic number, because the mean of its divisors is an integer number (298717758688).

Almost surely, 2^{1045512155401} is an apocalyptic number.

It is an amenable number.

1045512155401 is a deficient number, since it is larger than the sum of its proper divisors (149358879351).

1045512155401 is an equidigital number, since it uses as much as digits as its factorization.

1045512155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149358879350.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1045512155401 in words is "one trillion, forty-five billion, five hundred twelve million, one hundred fifty-five thousand, four hundred one".