102402240551511 has 8 divisors (see below), whose sum is σ = 136543582222080. Its totient is φ = 68264529624312.

The previous prime is 102402240551497. The next prime is 102402240551537. The reversal of 102402240551511 is 115155042204201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102402240551511 - 2⁶ = 102402240551447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402240551711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907620031 + ... + 907732848.

It is an arithmetic number, because the mean of its divisors is an integer number (17067947777760).

Almost surely, 2^{102402240551511} is an apocalyptic number.

102402240551511 is a deficient number, since it is larger than the sum of its proper divisors (34141341670569).

102402240551511 is a wasteful number, since it uses less digits than its factorization.

102402240551511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815371685.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 102402240551511 its reverse (115155042204201), we get a palindrome (217557282755712).

The spelling of 102402240551511 in words is "one hundred two trillion, four hundred two billion, two hundred forty million, five hundred fifty-one thousand, five hundred eleven".