102015150401 has 2 divisors, whose sum is σ = 102015150402. Its totient is φ = 102015150400.

The previous prime is 102015150389. The next prime is 102015150431. The reversal of 102015150401 is 104051510201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58093050625 + 43922099776 = 241025^2 + 209576^2 .

It is a cyclic number.

It is not a de Polignac number, because 102015150401 - 2²² = 102010956097 is a prime.

It is a super-2 number, since 2×102015150401² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102015150431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51007575200 + 51007575201.

It is an arithmetic number, because the mean of its divisors is an integer number (51007575201).

Almost surely, 2^102015150401 is an apocalyptic number.

It is an amenable number.

102015150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

102015150401 is an equidigital number, since it uses as much as digits as its factorization.

102015150401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 102015150401 its reverse (104051510201), we get a palindrome (206066660602).

The spelling of 102015150401 in words is "one hundred two billion, fifteen million, one hundred fifty thousand, four hundred one".