15105157010551 has 2 divisors, whose sum is σ = 15105157010552. Its totient is φ = 15105157010550.

The previous prime is 15105157010521. The next prime is 15105157010599. The reversal of 15105157010551 is 15501075150151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15105157010551 - 2⁷ = 15105157010423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15105157010551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15105157010521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552578505275 + 7552578505276.

It is an arithmetic number, because the mean of its divisors is an integer number (7552578505276).

Almost surely, 2^{15105157010551} is an apocalyptic number.

15105157010551 is a deficient number, since it is larger than the sum of its proper divisors (1).

15105157010551 is an equidigital number, since it uses as much as digits as its factorization.

15105157010551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21875, while the sum is 37.

The spelling of 15105157010551 in words is "fifteen trillion, one hundred five billion, one hundred fifty-seven million, ten thousand, five hundred fifty-one".