10155256761 has 16 divisors (see below), whose sum is σ = 14584553984. Its totient is φ = 6248254464.

The previous prime is 10155256733. The next prime is 10155256789. The reversal of 10155256761 is 16765255101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10155256733) and next prime (10155256789).

It is not a de Polignac number, because 10155256761 - 2¹³ = 10155248569 is a prime.

It is a super-2 number, since 2×10155256761² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10155256261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227865 + ... + 268761.

It is an arithmetic number, because the mean of its divisors is an integer number (911534624).

Almost surely, 2^10155256761 is an apocalyptic number.

It is an amenable number.

10155256761 is a deficient number, since it is larger than the sum of its proper divisors (4429297223).

10155256761 is a wasteful number, since it uses less digits than its factorization.

10155256761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47280.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 10155256761 in words is "ten billion, one hundred fifty-five million, two hundred fifty-six thousand, seven hundred sixty-one".