15420102153451 has 4 divisors (see below), whose sum is σ = 15420133513512. Its totient is φ = 15420070793392.

The previous prime is 15420102153433. The next prime is 15420102153529. The reversal of 15420102153451 is 15435120102451.

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

It is a cyclic number.

It is not a de Polignac number, because 15420102153451 - 2³³ = 15411512218859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15420102153151) 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, 14930521 + ... + 15929866.

It is an arithmetic number, because the mean of its divisors is an integer number (3855033378378).

Almost surely, 2^{15420102153451} is an apocalyptic number.

15420102153451 is a deficient number, since it is larger than the sum of its proper divisors (31360061).

15420102153451 is an equidigital number, since it uses as much as digits as its factorization.

15420102153451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360060.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 15420102153451 in words is "fifteen trillion, four hundred twenty billion, one hundred two million, one hundred fifty-three thousand, four hundred fifty-one".