15210242464451 has 2 divisors, whose sum is σ = 15210242464452. Its totient is φ = 15210242464450.

The previous prime is 15210242464423. The next prime is 15210242464471. The reversal of 15210242464451 is 15446424201251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15210242464451 - 2³⁸ = 14935364557507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15210242464399 and 15210242464408.

It is not a weakly prime, because it can be changed into another prime (15210242464471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7605121232225 + 7605121232226.

It is an arithmetic number, because the mean of its divisors is an integer number (7605121232226).

Almost surely, 2^{15210242464451} is an apocalyptic number.

15210242464451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15210242464451 is an equidigital number, since it uses as much as digits as its factorization.

15210242464451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 15210242464451 in words is "fifteen trillion, two hundred ten billion, two hundred forty-two million, four hundred sixty-four thousand, four hundred fifty-one".