15345345031051 has 4 divisors (see below), whose sum is σ = 17537537178352. Its totient is φ = 13153152883752.

The previous prime is 15345345031001. The next prime is 15345345031057. The reversal of 15345345031051 is 15013054354351.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15345345031051 - 2⁹ = 15345345030539 is a prime.

It is a super-2 number, since 2×15345345031051² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15345345030995 and 15345345031013.

It is not an unprimeable number, because it can be changed into a prime (15345345031057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096096073640 + ... + 1096096073653.

It is an arithmetic number, because the mean of its divisors is an integer number (4384384294588).

Almost surely, 2^{15345345031051} is an apocalyptic number.

15345345031051 is a deficient number, since it is larger than the sum of its proper divisors (2192192147301).

15345345031051 is an equidigital number, since it uses as much as digits as its factorization.

15345345031051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192192147300.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 15345345031051 in words is "fifteen trillion, three hundred forty-five billion, three hundred forty-five million, thirty-one thousand, fifty-one".