15155345123455 has 16 divisors (see below), whose sum is σ = 19262494367424. Its totient is φ = 11407355297280.

The previous prime is 15155345123437. The next prime is 15155345123507. The reversal of 15155345123455 is 55432154355151.

It is not a de Polignac number, because 15155345123455 - 2¹⁵ = 15155345090687 is a prime.

It is a super-2 number, since 2×15155345123455² (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 = 15155345123399 and 15155345123408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28863987 + ... + 29384356.

It is an arithmetic number, because the mean of its divisors is an integer number (1203905897964).

Almost surely, 2^{15155345123455} is an apocalyptic number.

15155345123455 is a deficient number, since it is larger than the sum of its proper divisors (4107149243969).

15155345123455 is a wasteful number, since it uses less digits than its factorization.

15155345123455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58251426.

The product of its digits is 4500000, while the sum is 49.

The spelling of 15155345123455 in words is "fifteen trillion, one hundred fifty-five billion, three hundred forty-five million, one hundred twenty-three thousand, four hundred fifty-five".