101402215041509 has 2 divisors, whose sum is σ = 101402215041510. Its totient is φ = 101402215041508.

The previous prime is 101402215041493. The next prime is 101402215041577. The reversal of 101402215041509 is 905140512204101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97716882484225 + 3685332557284 = 9885185^2 + 1919722^2 .

It is a cyclic number.

It is not a de Polignac number, because 101402215041509 - 2⁴ = 101402215041493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101402215041409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50701107520754 + 50701107520755.

It is an arithmetic number, because the mean of its divisors is an integer number (50701107520755).

Almost surely, 2^{101402215041509} is an apocalyptic number.

It is an amenable number.

101402215041509 is a deficient number, since it is larger than the sum of its proper divisors (1).

101402215041509 is an equidigital number, since it uses as much as digits as its factorization.

101402215041509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 101402215041509 in words is "one hundred one trillion, four hundred two billion, two hundred fifteen million, forty-one thousand, five hundred nine".