15252023121401 has 4 divisors (see below), whose sum is σ = 16638570677904. Its totient is φ = 13865475564900.

The previous prime is 15252023121389. The next prime is 15252023121431. The reversal of 15252023121401 is 10412132025251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15252023121401 - 2⁶ = 15252023121337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252023121431) 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, 693273778235 + ... + 693273778256.

It is an arithmetic number, because the mean of its divisors is an integer number (4159642669476).

Almost surely, 2^{15252023121401} is an apocalyptic number.

15252023121401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15252023121401 is a deficient number, since it is larger than the sum of its proper divisors (1386547556503).

15252023121401 is a wasteful number, since it uses less digits than its factorization.

15252023121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386547556502.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 15252023121401 its reverse (10412132025251), we get a palindrome (25664155146652).

The spelling of 15252023121401 in words is "fifteen trillion, two hundred fifty-two billion, twenty-three million, one hundred twenty-one thousand, four hundred one".